Patents by Inventor Paulo Henrique Morais

Paulo Henrique Morais has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Depressants for mineral ore flotation
    Patent number: 10081021
    Abstract: Depressants comprising one or more types of polysaccharides comprising one or more types of pentosan units are provided. Also disclosed are processes for enriching a desired mineral from an ore comprising the desired mineral and gangue, wherein the process comprises carrying out a flotation process in the presence of one or more collecting agents and one or more of the depressants.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: September 25, 2018
    Assignee: Kemira Oyj
    Inventors: Marcelo Moreira Da Costa, Jorge Eduardo Langsch, Paulo Henrique Morais, Lucas Moore
  • Depressants for Mineral Ore Flotation
    Publication number: 20160346790
    Abstract: Depressants comprising one or more types of polysaccharides comprising one or more types of pentosan units are provided. Also disclosed are processes for enriching a desired mineral from an ore comprising the desired mineral and gangue, wherein the process comprises carrying out a flotation process in the presence of one or more collecting agents and one or more of the depressants.
    Type: Application
    Filed: August 12, 2016
    Publication date: December 1, 2016
    Inventors: Marcelo Moreira Da Costa, Jorge Eduardo Langsch, Paulo Henrique Morais, Lucas Moore
  • Depressants for mineral ore flotation
    Patent number: 9421556
    Abstract: Depressants comprising one or more types of polysaccharides comprising one or more types of pentosan units are provided. Also disclosed are processes for enriching a desired mineral from an ore comprising the desired mineral and gangue, wherein the process comprises carrying out a flotation process in the presence of one or more collecting agents and one or more of the depressants.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: August 23, 2016
    Assignee: Kemira Oyj
    Inventors: Marcelo Moreira Da Costa, Jorge Eduardo Langsch, Paulo Henrique Morais, Lucas Moore
  • Depressants for Mineral Ore Flotation
    Publication number: 20150196926
    Abstract: Depressants comprising one or more types of polysaccharides comprising one or more types of pentosan units are provided. Also disclosed are processes for enriching a desired mineral from an ore comprising the desired mineral and gangue, wherein the process comprises carrying out a flotation process in the presence of one or more collecting agents and one or more of the depressants.
    Type: Application
    Filed: March 27, 2015
    Publication date: July 16, 2015
    Inventors: Marcelo Moreira Da Costa, Jorge Eduardo Langsch, Paulo Henrique Morais, Lucas Moore